package br.com.sis.chamado.util;

import java.io.IOException;

import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;

import org.hibernate.SessionFactory;


public class ConexaoHibernateFilter implements Filter{

	private SessionFactory sf;
	
	
	@Override
	public void destroy() {}

	@Override
	public void doFilter(ServletRequest servletFilter, ServletResponse servletResponse,
			FilterChain filterChain) throws IOException, ServletException {
		try {
			this.sf.getCurrentSession().beginTransaction();
			filterChain.doFilter(servletFilter, servletResponse);
			//this.sf.getCurrentSession().getTransaction().commit();
			this.sf.getCurrentSession().close();
			
		} catch (Throwable ex) {
			try {
				//if(this.sf.getCurrentSession().getTransaction().isActive()){
				//	this.sf.getCurrentSession().getTransaction().rollback();
			//	}
			} catch (Exception t) {
				t.printStackTrace();
			}
			
			throw new ServletException(); 
		}
	}

	@Override
	public void init(FilterConfig conf) throws ServletException {
		this.sf = HibernateUtil.getSession();
	}

}
